/*
 * Copyright (c) 2010-2023. Axon Framework
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *    http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.axonframework.serialization.upcasting.event;

import java.util.stream.Stream;

/**
 * Event upcaster that does nothing.
 *
 * @author Rene de Waele
 * @since 3.0
 */
public enum NoOpEventUpcaster implements EventUpcaster {

    /**
     * Instance of an EventUpcaster that does nothing.
     */
    INSTANCE;

    @Override
    public Stream<IntermediateEventRepresentation> upcast(
            Stream<IntermediateEventRepresentation> intermediateRepresentations) {
        return intermediateRepresentations;
    }
}
